more print statements

src/data_generator.py

@@ -98,6 +98,7 @@ class DataGenerator(keras.utils.Sequence):
         station = self.get_station_key(key)
         data = DataPrep(self.data_path, self.network, station, self.variables, station_type=self.station_type,
                         **self.kwargs)
+        print("data: ", data)
         data.interpolate(self.interpolate_dim, method=self.interpolate_method, limit=self.limit_nan_fill)
         data.transform("datetime", method=self.transform_method)
         data.make_history_window(self.interpolate_dim, self.window_history)